| Duisburg to Devnya | 1,121.92 mi (1,805.56 km) |
| Duisburg to Dimitrovgrad | 1,097.43 mi (1,766.14 km) |
| Duisburg to Dobrich | 1,118.03 mi (1,799.30 km) |
| Duisburg to Dospat | 1,063.56 mi (1,711.64 km) |
| Duisburg to Dupnitsa | 995.47 mi (1,602.05 km) |
| Duisburg to Elhovo | 1,128.87 mi (1,816.74 km) |
| Duisburg to Etropole | 1,000.72 mi (1,610.51 km) |
| Duisburg to Gabrovo | 1,049.74 mi (1,689.39 km) |
| Duisburg to Gorna Oryahovitsa | 1,052.01 mi (1,693.04 km) |
| Duisburg to Gotse Delchev | 1,052.06 mi (1,693.13 km) |
| Duisburg to Harmanli | 1,114.23 mi (1,793.17 km) |
| Duisburg to Haskovo | 1,101.66 mi (1,772.95 km) |
| Duisburg to Ihtiman | 1,012.58 mi (1,629.59 km) |
| Duisburg to Isperih | 1,071.73 mi (1,724.79 km) |
| Duisburg to Kardzhali | 1,107.64 mi (1,782.58 km) |
